<template>
  <div class="wrapper">
    <div class="content">
        <transition name="move" mode="out-in">
            <keep-alive :include="tagsList">
                <router-view></router-view>
            </keep-alive>
        </transition>
    </div>
  </div>
</template>

<script>
import bus from './bus';
export default {
    data() {
        return {
            tagsList: [],
            collapse: false
        };
    },
    components: {
    },
    created() {
        bus.$on('collapse-content', msg => {
            this.collapse = msg;
        });

        // 只有在标签页列表里的页面才使用keep-alive，即关闭标签之后就不保存到内存中了。
        bus.$on('tags', msg => {
            let arr = [];
            for (let i = 0, len = msg.length; i < len; i++) {
                msg[i].name && arr.push(msg[i].name);
            }
            this.tagsList = arr;
        });
    }
};
</script>
